Year	constant 2021 PPP $
1991	13231.43407357812
1992	13170.210312068713
1993	13379.095785149855
1994	13633.099156274373
1995	13837.753531895618
1996	14032.04297354065
1997	14301.005617344852
1998	14610.90724941452
1999	14293.818330406391
2000	14635.666135220188
2001	14582.031932167574
2002	14611.076382064808
2003	14675.364956605581
2004	14931.94778166322
2005	15229.237009888953
2006	14996.045036575322
2007	15689.285587701826
2008	16090.622608278245
2009	16246.422517743324
2010	16494.179151238644
2011	16925.921818802977
2012	18226.326082157553
2013	18934.784588161074
2014	18897.290037433722
2015	20874.032628405523
2016	21316.57512529827
2017	21396.0868857361
2018	20867.36002691896
2019	21283.38211272188
2020	20240.869541476794
2021	20993.157821349665
2022	20505.68782859351
2023	20420.108651867868